HomeAuthorsPosts by Sundareswaran Iyalunaidu

Sundareswaran Iyalunaidu

With over 24 years of dedicated experience, I am a seasoned professional specializing in the commissioning, maintenance, and installation of Electrical, Instrumentation and Control systems. My expertise extends across a spectrum of industries, including Power stations, Oil and Gas, Aluminium, Utilities, Steel and Continuous process industries. Tweet me @sundareshinfohe
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Instrumentation Calculators

Thermocouple Color Code and EMF Calculator for Instrumentation Engineers

Table of ContentsThermocouple Color Code and EMF Calculator for Instrumentation EngineersWhat Is a Thermocouple Color Code and EMF Calculator?Why Thermocouple Wire Color and Polarity MatterHow to Use the Thermocouple EMF CalculatorThermocouple EMF Calculation FormulaType K Thermocouple EMF Calculation ExampleHow to Interpret Thermocouple EMF Calculator...
Procedures

RTD Checking With a Multimeter: Three Tests, Resistance Calculation and Troubleshooting

Table of ContentsWhat Is an RTD and How Does It Work?Tools Required for RTD Testing and Safety PrecautionsThree Important Checks for RTD Testing With a MultimeterHow to Test an RTD With a Multimeter Step by StepPT100 Resistance Versus Temperature TableHow to Test Two Wire,...
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PLC

How to use Siemens TIA Portal to create Different Counter blocks in PLC?

Table of ContentsGraphical representation of different Counter used in Siemens TIA PortalDifferent Counter blocks...
DIY Projects

Interfacing LM35 Temperature Sensor and LCD with Arduino

Table of ContentsStatement of the ProblemSchematic of Interfacing Potentiometer and LCD with ArduinoConnection Diagram...
Interview Questions

Understanding WirelessHART: A Comprehensive interview Questions & Answers – Part 1

Table of Contents1.What does HART stand for in wireless HART technology?2.Could you please explain...
Fire & Gas

Types of Fire Detectors

Table of ContentsWhat is the use of fire detector?What are the factors that depend...
Valves

Calibration Procedure for Motorized Control Valve

Table of ContentsPurpose and Scope:Tools Required for Motorized Control Valve Calibration:SafetyCalibration SetupCalibration ProcedureRecording CalibrationCompletion...
Temperature Measurement

Mastering Temperature Measurement: From Principles to Calibration

"Mastering Temperature Measurement: From Principles to Calibration" is your one-stop resource for everything related...
PLC

What are the FIFO and LIFO Sequences in PLC?

Table of ContentsWhat is Sequential Logic?What is the FIFO Sequence in PLC? Inputs, processing  and...
Pressure Measurement

In-Depth Guide to Pressure Measuring Instruments and Calibration

Involve yourself in the field of pressure measurement!  Examine the fundamental concepts of devices like...
Fire & Gas

Gas Detectors Practical Problems and Troubleshooting

Table of ContentsWhat is a Gas Detector?What are the kinds of gas detectors?State the...
Instrumentation Calculators

RTD Temperature Coefficient Calculation

Table of ContentsWhat is the coefficient factor of RTD?How is RTD coefficient calculated?RTD Formula...
Instrumentation Tools

Your Instrumentation Tools Resource

Welcome to your one-stop resource for essential instrumentation tools. This toolkit simplifies your instrumentation...
Communication

Difference between RS 232 & RS 485 Communication Protocol

Table of ContentsWhat is Serial Communication? What is RS-232 Communication Protocol? Features of RS-232 Communication ProtocolDisadvantages...
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Latest articles

Instrumentation Calculators

Thermocouple Color Code and EMF Calculator for Instrumentation Engineers

Table of ContentsThermocouple Color Code and EMF Calculator for Instrumentation EngineersWhat Is a Thermocouple...
Procedures

RTD Checking With a Multimeter: Three Tests, Resistance Calculation and Troubleshooting

Table of ContentsWhat Is an RTD and How Does It Work?Tools Required for RTD...
SIS/ESD

Inhibit vs Bypass in Process Plants: DCS, PLC and ESD/SIS Differences

Table of ContentsWhy Understanding Inhibit vs Bypass in Process Plants MattersWhat Is an Inhibit...
Instrumentation Calculators

Advanced Instrument Air Compressor Interlock Logic and Control Quiz for Automation and Instrumentation Professionals

Instrument Air Compressor Interlock Logic Quiz Introduction Instrument air compressors are critical utility equipment controlled...